Academic literature on the topic 'Théorie du signal'
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Journal articles on the topic "Théorie du signal"
Goujon Belghit, Anne, and Ismaël Belghit. "Les apports du traitement du signal en théorie des organisations." Management & Avenir 62, no. 4 (2013): 153. http://dx.doi.org/10.3917/mav.062.0153.
Full textBoistel, Philippe. "Peut-on définir l’image d’entreprise au regard de la théorie du signal ?" Management international 21, no. 1 (October 5, 2018): 126–39. http://dx.doi.org/10.7202/1052502ar.
Full textVause, Mireille, J. Costermans, and Pascal Janne. "La théorie de la détection du signal et le traitement de stimuli nociceptifs." L'année psychologique 91, no. 2 (1991): 247–68. http://dx.doi.org/10.3406/psy.1991.29458.
Full textCaby, Jérôme, and Géraldine Michel. "Création de valeur des écoles de commerce françaises pour leurs diplômés." Revue Française de Gestion 45, no. 283 (August 2019): 73–92. http://dx.doi.org/10.3166/rfg.2019.00368.
Full textHochmuth, Reinhard, and Jana Peters. "About the “Mixture” of Discourses in the Use of Mathematics in Signal TheoryÀ propos du «mélange» de discours dans l'utilisation des mathématiques en théorie du signal." Educação Matemática Pesquisa : Revista do Programa de Estudos Pós-Graduados em Educação Matemática 22, no. 4 (September 15, 2020): 454–71. http://dx.doi.org/10.23925/1983-3156.2020v22i4p454-471.
Full textChaney, Damien, and Bruno Pecchioli. "Financer l’éphémère." Revue Française de Gestion 46, no. 288 (April 2020): 107–27. http://dx.doi.org/10.3166/rfg.2020.00435.
Full textElloumi, I. "La théorie statistique de la décision: application à l'étude du rapport signal sur bruit en tomographie d'émission monophotonique." ITBM-RBM 23, no. 3 (May 2002): 166–71. http://dx.doi.org/10.1016/s1297-9562(02)80014-6.
Full textValdes-sosa, Mitchell J., Maria A. Bobes, Maria C. Perez-abalo, Maritza Perera, Jose A. Carballo, and Pedro Valdes-sosa. "Comparison of Auditory-Evoked Potential Detection Methods Using Signal Detection Theory: Comparaison des méthods de détection des potentials évoqués auditifs du tronc cérébral au moyen de la théorie de détection du signal." International Journal of Audiology 26, no. 3 (January 1987): 166–78. http://dx.doi.org/10.3109/00206098709078419.
Full textViolon, P., F. Platiau, and A. Violon. "Comparaison de la sensibilité à la douleur chez des étudiants céphalalgiques et non céphalalgiques par un questionnaire basé sur la théorie de la détection du signal." Douleur et Analgésie 1, no. 4 (December 1988): 165–70. http://dx.doi.org/10.1007/bf03007248.
Full textNaviaux, Anne-Frédérique, Pascal Janne, and Maximilien Gourdin. "Aspects médico-psychologiques relatifs à l’épidémie de coronavirus (Covid-19) : l’apport de la théorie de la détection du signal et du concept de lieu de contrôle." Annales Médico-psychologiques, revue psychiatrique 178, no. 3 (March 2020): 223–25. http://dx.doi.org/10.1016/j.amp.2020.03.001.
Full textDissertations / Theses on the topic "Théorie du signal"
Demarcq, Guillaume. "Le signal monogène couleur : théorie et applications." Phd thesis, Université de La Rochelle, 2010. http://tel.archives-ouvertes.fr/tel-00583117.
Full textMellinger, Philippe. "Estimation d'incertitudes d'identification modale avec et sans entrées connues : théorie, validation, application." Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S102/document.
Full textDeterminination of vibration characteristics is a crucial step for structure certification or health monitoring. Whatever the method, modes identification of a structure requires vibration tests. During these tests, measurements are made in order to observe responses of the system to known, partially known or unknown excitations. Modal identification methods are global methods. They allow the determination of modes from data post-treatment. Some modal identification methods, such as those based on ARX modelisation error minimisation or subspace methods, have been largely spread into the industry for about fifteen years. Despite this succes, these methods will never provide exact results. Indeed, due to numerous error sources (e.g. sensor noises, environmental noises), modal identifications based on measured data can only lead to modal parameters estimations. By definition, an estimation is subject to statistical errors, also called variances. The purpose of this thesis is to give an in-depth study of these statistical errors estimation. This document is divided in three parts. Firstly, a description of two kind of modal identification methods (ARX modelisation error minimisation and subspace methods) is given. Secondly, the uncertainty estimation principle is explained and propagation schemes of variances are given. Finally, the third part provides an in-depth validation of these methods in order to proceed to industrial utilisations
Perret, Cécile. "Théorie du capital humain versus théorie du signal : application à la réforme du système éducatif chilien dans les années 80." Clermont-Ferrand 1, 1998. http://www.theses.fr/1998CLF10201.
Full textDuring the 80’s, a radical reform of the Chilean educational system was implemented. It was aimed at: (I) the decentralization and autonomy of schools and (II) the professionalization of the teachers. In the first part of this thesis we analyze the consequences of this reform inside the educational system and we give evidence for: (I) a geographical and social stratification of result and (II) a deterioration of the quality of secondary education. In the second part, we show that since this institutional reform (in the context of dictatorship) the return to investment in education has decreased. We try to interpret this fact using the classical tools of labor market: human capital theory and signal theory. With pseudo panel datas extracted from “la encuesta occupational de la universidad de Chile », we show, with a mincerian function, that today no compensatory diferentials seem to explain the level of salaries
Dewez, Claude. "Modélisation d'un filtre actif parallèle triphasé pour la dépollution harmonique et synthèse d'une commande basée sur le rejet de perturbations." Poitiers, 2007. http://www.theses.fr/2007POIT2327.
Full textThis thesis deals with a new modelling of a three-phase network in association with a parallel active filter. This modelling results in a state representation which permits to apply the tools of linear control theory. Using this approach the harmonics compensation of electrical networks consists in the direct control of the source current. Thus the description of the system corresponds to its representation in closed loop where the reduction of source current harmonics is treated like a matter of disturbances rejection. This approach is different from common approaches which are usually based on reference tracking control. The proposed approach is validated firstly using simulation with the technical computing software Matlab/Simulinkr, then using a test bench fitted with a shunt active filter linked to the three-phase AC source. The bench, consisting of an IGBT voltage source inverter with associate control, a high-frequency filter and a polluting load which is a three-phase rectifier, is instrumented to measure currents and protected from overloading and overvoltage. The control law is implemented in real time thanks to xPC Target prototyping system
Poignet, Philippe. "Détection de ruptures spectrales au moyen de l'analyse de systèmes singuliers." Nantes, 1995. http://www.theses.fr/1995NANT2006.
Full textArgouarch, Arnaud. "Modélisations des discontinuités planaires et tridimensionnelles. Applications à l'étude de l'intégrité de signal des cartes numériques à hautes performances." Rennes, INSA, 2005. http://www.theses.fr/2005ISAR0003.
Full textThe never-ending quests for reliable digital electronic systems introduce more and more complex problems. In this report, we underline the most important industrial facts in the high efficiency system design. In complement to the proposed solution and studies about conducted and radiated phenomena, we focused the work on the methodology for the signal integrity compliances in industrial domain. This latter is taken into account for all studies in this report. The thesis structure links two different points. The first one concerns power distribution system and the second one, the planar and linear discontinuities. For the power distribution systems (PDS), investigation and introduction on near field characterization is done. The goal is to qualify the PDS efficiency for complex digital boards. Coupled to electrical simulation, the near field diagnostics are realized with experimental measurements to provide intrinsic characteristics and an opening way for future works. The next point concerns discontinuities aspects for linear / planar structures and their modelling for industrial EDA tools. Planar discontinuities for differential pair are investigated just before to introduce artificial neural network to model complex discontinuities like industrial connector. Full-wave analysis is done on a first step with EM simulations and measurements. A new approach combining neural network and behavioural modelling to provide efficiency and user-definable model is proposed. This work and models are directly integrated or linked into EDA tools like Cadence and ADS
Daoudi, Khalid. "Généralisations des systèmes de fonctions itérées : applications au traitement du signal." Paris 9, 1996. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1996PA090078.
Full textChlaily, Saloua. "Modèle d'interaction et performances du traitement du signal multimodal." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT026/document.
Full textThe joint processing of multimodal measurements is supposed to lead to better performances than those obtained using a single modality or several modalities independently. However, in literature, there are examples that show that is not always true. In this thesis, we analyze, in terms of mutual information and estimation error, the different situations of multimodal analysis in order to determine the conditions to achieve the optimal performances.In the first part, we consider the simple case of two or three modalities, each associated with noisy measurement of a signal. These modalities are linked through the correlations between the useful parts of the signal and the correlations between the noises. We show that the performances are improved if the links between the modalities are exploited. In the second part, we study the impact on performance of wrong links between modalities. We show that these false assumptions decline the performance, which can become lower than the performance achieved using a single modality.In the general case, we model the multiple modalities as a noisy Gaussian channel. We then extend literature results by considering the impact of the errors on signal and noise probability densities on the information transmitted by the channel. We then analyze this relationship in the case of a simple model of two modalities. Our results show in particular the unexpected fact that a double mismatch of the noise and the signal can sometimes compensate for each other, and thus lead to very good performances
Preux, Alain. "Antialiassage en synthèse d'images, état de l'art et proposition de méthodes temps réel pour les bords de polygones." Lille 1, 1996. http://www.theses.fr/1996LIL10033.
Full textCarbou, Jean-Damien. "Conception d'une architecture pour la commande à distance d'un robot d'intervention." Montpellier 2, 2004. http://www.theses.fr/2004MON20234.
Full textBooks on the topic "Théorie du signal"
Coulon, Frédéric de. Théorie et traitement des signaux. Lausanne: Presses Polytechniques Romandes, 1990.
Find full textBellanger, Maurice. Traitement numérique du signal: Théorie et pratique. 3rd ed. Paris: Masson, 1987.
Find full textBellanger, Maurice. Traitement numérique du signal: Théorie et pratique. 8th ed. Paris: Dunod, 2006.
Find full textCharbit, Maurice. Éléments de théorie du signal: Les signaux aléatoires. Paris: Ellipses, 1990.
Find full textAuger, François. Introduction à la théorie du signal et de l'information: Cours et exercices. Paris: Editions Technip, 1999.
Find full textKandel, Eric R. A la recherche de la mémoire: Une nouvelle théorie de l'esprit. Paris: Jacob, 2006.
Find full textBenediktsson, Jón Atli, Javidi Bahram, Karl S. Guðmundsson, and Háskóli Íslands, eds. 6th International Workshop on Information Optics (WIO '07): Reykjavik, Iceland, 25-30 June 2007. Melville, N.Y: American Institute of Physics, 2007.
Find full textDeluzurieux, Alain. Cours d'électronique numérique et échantillonnée: BTS, IUT, Écoles d'ingénieurs. Paris: Eyrolles, 1991.
Find full textBook chapters on the topic "Théorie du signal"
"Signaler la qualité d’un produit." In La théorie des jeux en images, 149–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2244-7-055.
Full text"Signaler la qualité d’un produit." In La théorie des jeux en images, 149–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2244-7.c055.
Full text"Chapitre 3 Du signal acoustique au signal nerveux : les théories de l’audition." In L'oreille numérique, 45–54. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0346-0.c004.
Full textKRISHNAMOORTHY, Achyutha, Dhanya SHAJIN, and Viswanath C. NARAYANAN. "Gestion des stocks avec temps de service positif : synthèse." In Théorie des files d’attente 2, 215–52. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9004.ch6.
Full text"Historicity and Society." In The Henri Meschonnic Reader, edited by Marko Pajević, translated by Pier-Pascale Boulanger, Andrew Eastman, John E. Joseph, David Nowell Smith, Marko Pajević, and Chantal Wright, 291–320. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474445962.003.0010.
Full textMillet, Agnès. "Décrire la lsf : approches, théories et concepts." In Grammaire descriptive de la langue des signes française, 39–52. UGA Éditions, 2019. http://dx.doi.org/10.4000/books.ugaeditions.16044.
Full textLeroux, Jean. "Les “Théories de L’image” De Helmholtz et de Hertz et les Motifs de Carnap Dans L’aufbau." In The Paideia Archive: Twentieth World Congress of Philosophy, 148–54. Philosophy Documentation Center, 1998. http://dx.doi.org/10.5840/wcp20-paideia199837665.
Full textConference papers on the topic "Théorie du signal"
Filhol, Benoit. "La Méditerranée, un trésor pédagogique." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.2972.
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